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31 October, 03:07

If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the structure Y---X---Y (2 lone pairs around X) could be abbreviated as XY2Z2. Classify these structures according to their shape.

Molecular Geometries:

linear

bent 120

bent 109

trigonal pyramidal

T-shaped

see saw

square planar

square pyramidal

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Answers (1)
  1. 31 October, 03:28
    0
    The correct option is: bent 109°

    Explanation:

    Covalent molecules are the molecules in which the atoms are linked by covalent bonds. The electrons involved in the formation of a covalent bond are known as shared pair or bond pair of electrons.

    The three-dimensional arrangement of the atoms of a molecule in space is known its molecular structure or geometry.

    Given molecule: XY₂, having two lone pairs around the central atom X.

    Since the molecule XY₂ has two lone pairs and two bond pairs of electrons. Therefore according to the VSEPR theory, the given molecule has a bent molecular geometry with 109° bond angle.
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